Renal artery laser ablation catheter

The invention discloses a renal artery laser ablation catheter, which comprises a catheter main body, the catheter main body is connected with a balloon, the catheter main body is used for penetration of an optical fiber and a guide wire, the optical fiber in the catheter main body is a uniform medium, the optical fiber in the balloon is a non-uniform medium, an irradiation head is arranged in the balloon, and the irradiation head is connected with the balloon. According to the laser ablation device, the irradiation head is located on the outer side of the optical fiber and used for gathering the scattered laser in the optical fiber in the balloon and controlling the laser emitting direction, the ablation depth can be accurately controlled, and the laser can be scattered when passing through a non-uniform medium. And the laser propagation direction is changed by utilizing the irradiation head, so that the ablation range after laser scattering is larger and more uniform, and the operation safety and the treatm